(0 3 1)(2 21 17 6 4)(5 11 7)(8 19 18 16 10)(9 14 12)(13 20 15)
ALLOWS (11/8)-SEQUENCE
1: (0 3 20)

(0 15 13 20 1)(2 21 17 6 4)(3)(5 11 7)(8 19 18 16 10)(9 14 12)
2: (2 21 17)

(0 15 13 20 1)(2 6 4)(3)(5 11 7)(8 19 18 16 10)(9 14 12)(17)(21)
3: (1 13 20)

(0 15 13)(1)(2 6 4)(3)(5 11 7)(8 19 18 16 10)(9 14 12)(17)(20)(21)
4: (10 18 16)

(0 15 13)(1)(2 6 4)(3)(5 11 7)(8 19 18)(9 14 12)(10)(16)(17)(20)(21)